... ’s a portable air open loop single tuber diving device, it consists of mouth breathing apparatus, ... valve, foot flippers, lead and immersion suit. The device is widely used diving, aquaculture, fishery, underwater rescue, etc. ... reducing valveMouth breathing apparatusMaskFoot flippers,Diving leadGRP container Cylinder specification Working pressureCapacityMax. diving depthPacking size(cm)20MPa12L40m76 ...